[mirror_ubuntu-bionic-kernel.git] / include / linux / device_cgroup.h

/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/fs.h>

#ifdef CONFIG_CGROUP_DEVICE
extern int __devcgroup_inode_permission(struct inode *inode, int mask);
extern int devcgroup_inode_mknod(int mode, dev_t dev);
static inline int devcgroup_inode_permission(struct inode *inode, int mask)
{
	if (likely(!inode->i_rdev))
		return 0;
	if (!S_ISBLK(inode->i_mode) && !S_ISCHR(inode->i_mode))
		return 0;
	return __devcgroup_inode_permission(inode, mask);
}
#else
static inline int devcgroup_inode_permission(struct inode *inode, int mask)
{ return 0; }
static inline int devcgroup_inode_mknod(int mode, dev_t dev)
{ return 0; }
#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
08ce5f16 SH	2	#include <linux/fs.h>
	3
	4	#ifdef CONFIG_CGROUP_DEVICE
482e0cd3	5	extern int __devcgroup_inode_permission(struct inode *inode, int mask);
08ce5f16	6	extern int devcgroup_inode_mknod(int mode, dev_t dev);
482e0cd3 AV	7	static inline int devcgroup_inode_permission(struct inode *inode, int mask)
	8	{
	9	if (likely(!inode->i_rdev))
	10	return 0;
	11	if (!S_ISBLK(inode->i_mode) && !S_ISCHR(inode->i_mode))
	12	return 0;
	13	return __devcgroup_inode_permission(inode, mask);
	14	}
08ce5f16 SH	15	#else
	16	static inline int devcgroup_inode_permission(struct inode *inode, int mask)
	17	{ return 0; }
	18	static inline int devcgroup_inode_mknod(int mode, dev_t dev)
	19	{ return 0; }
	20	#endif